Astronomy and Astrophysics – Astrophysics
Scientific paper
May 1997
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997a%26a...321.1021c&link_type=abstract
Astronomy and Astrophysics, v.321, p.1021-1023
Astronomy and Astrophysics
Astrophysics
7
Atomic Data, Methods: Laboratory
Scientific paper
The N^+^ inter-system lines, 2s2p^3^ ^5^S_2_-2s^2^2p^2^ ^3^P_2,1_, at 2142.775Å and 2139.007Å in air have been observed in emission from a low-pressure inductively-coupled plasma. The measured ratio, A_2143_/A_2139_=2.27+/-0.23, overlaps the most recent calculation at 2.44 (Brage et al., 1997ApJ...478..423B). A realistic analysis of uncertainties, and comparison with other laboratory measurements which do not agree with each other, demonstrates the difficulty in obtaining a more precise measurement.
Curry Judith
Gibson N. D.
Lawler James E.
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